On day 2, head to Tianmen Mountain, also known as Heaven's Gate Mountain. Take the world's longest cable car ride to reach the mountain's summit, enjoying breathtaking views of the surrounding landscape along the way. Once at the top, experience the thrilling glass walkway, a transparent path that allows you to walk above the clouds. Explore the various viewpoints and take in the panoramic vistas. In the evening, return to Zhangjiajie and relax.